In a recent video, I talked about the advantages and disadvantages of organic (chemical) vs inorganic (physical) sunscreens. One of the big drawbacks of inorganic sunscreens is that they tend to have significant white cast, which is when the sunscreen leaves a white layer on your skin. Out of the two inorganic filters (zinc oxide…

Are chemical or physical sunscreens better? I touched on this in my Sunscreen and Make-up video, but a lot of people have been asking me to talk more about it, so I’ve expanded on the topic in this post, which comes in video form as well! Here’s the video – scroll down for the blog…

You’ve probably heard that you need 1/4 teaspoon of sunscreen to cover your face. This quantity is calculated from an estimate of people’s face sizes, and the amount of sunscreen they use in SPF testing (2 mg per cm2). Since it’s based on the thickness of sunscreen, a larger face will need more sunscreen, while…

I’ve posted a new video on vitamin D and sun exposure. Like most skincare addicts I’ve long thought that the sun was evil and should be avoided at all costs, but it turns out that’s an outdated viewpoint! Vitamin D is important for pretty much everything in your body, and a lot of people are deficient…

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